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Heart|Natural|GIA

0.81ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 1538631980

Certificate GIA 1538631980

Diamond specifications and retailer prices

From £693 GBP
$929 USD
As of November 2, 2026
Save £543 GBP (44%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,236 GBP at GemTrove · As of November 2, 2026
View at GemTrove

About this 0.81ct natural heart diamond

This 0.81ct natural heart sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1538631980. Listed at 6 retailers as of November 2, 2026, with prices from £693 to £1,236, a £543 spread on the same certified stone. GemTrove lists it at £1,236. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.81
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1538631980
Dimensions5.44 × 6.48 × 3.83 mm
L/W Ratio1.19
Culet sizeNone
Key to symbols
Crystal
Top View
5.44 mm6.48 mm0.81 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1538631980
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £1,236 GBP|Low: £616 GBP|High: £1,236 GBP|Avg: £883 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 6£693 GBP
Retailer 3£734 GBP
Retailer 5£780 GBP
Retailer 2£787 GBP
Retailer 4£850 GBP
Retailer 7£880 GBP
GemTrove£1,236 GBP

42 data points across 7 retailers

6 retailers£693 GBP to £1,236 GBP

A
Cheapest Retailer
-
£693 GBP
$929 USD
Final sale: no returns
A
Retailer 2
-
£734 GBP
$983 USD
View
A
Retailer 3
-
£780 GBP
SGD 1,413 SGD
View
A
Retailer 4
-
£787 GBP
View
A
Retailer 5
-
£850 GBP
$1,139 USD
View
Most Expensive
B+
GemTrove
GT-N-01265537-98 · Nov 2
£1,236 GBP
A$2,548 AUD
View
5 more retailers have this diamond
Prices start from £693 GBPSave up to £543 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.81ct Heart
£693 GBP